can I have the link and the file-length please ?
And yes, it is always important to upload with the correct filename. Because if you upload a section wrongly numbered 84 then you will overwrite the correct section 84 with your recording. If this doesn't get noticed then we end up with twice your text in both sections and the real section 84 is missing.
Here in this case it would not have been such a catastrophe because the real section 84 has not been recorded and uploaded yet, so there is nothing to overwrite. In that case I can indeed simply make a change of filename. But the risk of overwriting is a real one, so best always make sure you have the correct filename. And if you ever notice that you accidentally uploaded a wrong filenumber, please always let the BC/MC of the project know what happened, then there is still time to sort out the confusion before cataloguing.
As for tags...yes I don't think they matter. Actually you don't need to add tags at all, they get automatically generated later on.